ʻAʻole hiki i nā mīkini wili ke wili wale i nā mokulele, nā awāwa, nā niho niho, nā kaula a me nā shaft spline, akā hana pū kekahi i nā profile paʻakikī, me ka ʻoi aku ka maikaʻi ma mua o nā mea hoʻolālā, a hoʻohana nui ʻia i nā keʻena hana a me ka hoʻoponopono ʻana.ʻO ka mīkini wili he mea hana mīkini hoʻohana nui ʻia, hiki i nā mokulele mīkini (horizontal and vertical planes), grooves (keyways, T-shaped grooves, dovetail grooves, etc.), gear parts (gears, spline shafts, sprockets), spiral surfaces ( nā milo, nā ʻāwīwīwīwī) a me nā ʻili ʻāwili like ʻole.Eia kekahi, hiki ke hoʻohana ʻia no ka hana ʻana i ka ʻili a me ka lua o loko o ke kino ʻōwili, ʻoki ʻia, a me nā mea ʻē aʻe. ʻO ka milling cutter rotation ka neʻe nui, hoʻohui ʻia e ka neʻe hānai ʻana o ka papa hana a i ʻole ke poʻo wili, i hiki ai i ka mea hana ke loaʻa ka ʻili mīkini pono.No ka mea he multi-edge intermittent cutting, ʻoi aku ka kiʻekiʻe o ka huahana o ka mīkini wili.No ka maʻalahi, hiki i ka mīkini wili ke lilo i mea hana mīkini no ka wili, wili a me nā mea hana ʻoluʻolu.
Nā mea maikaʻi o ka huahana:ʻO ke kumu pololei e pili ana i ka lāʻau me nā koi kikoʻī kiʻekiʻe e like me ka puni a me ka holo.Roundness, runout a me nā ʻāpana lāʻau kiʻekiʻe kiʻekiʻe,